Home / 8,698.89-13,036.80-4,542.39

Finding the Fourth Proportional to 8,698.89, 13,036.80 and 4,542.39

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Solution

The fourth proportional to 8,698.89, 13,036.80 and 4,542.39 is: 6,807.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.89 : 13,036.80 = 4,542.39 : x
  2. Step 2: Convert to fraction form
    8,698.89/13,036.80 = 4,542.39/x
  3. Step 3: Cross multiply
    8,698.89x = 13,036.80 × 4,542.39
  4. Step 4: Simplify right side
    8,698.89x = 59,218,229.95
  5. Step 5: Solve for x
    x = 59,218,229.95/8,698.89
  6. Step 6: Final answer
    x = 6,807.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.